Biceps pulley injury - Bennett type II

Discussion:

Findings are consistent with the biceps pulley injury type II according to Bennett's classification, which explains snapping sensation of the patient while rising his arm that is probably due to tendon instability of the long head of the biceps muscle.  

This case illustrates how subtle findings of injury of the biceps pulley could be and emphasize the importance of direct MR arthrography in its depiction.

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